Seiko Cal. 6690 - 523

This Automatic model from 1972 features a 43mm Titanium case. It features a Cream dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-f063d5338dfa]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1972

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